144952638149 has 4 divisors (see below), whose sum is σ = 158130150720. Its totient is φ = 131775125580.

The previous prime is 144952638119. The next prime is 144952638151. The reversal of 144952638149 is 941836259441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144952638149 - 2¹² = 144952634053 is a prime.

It is a super-3 number, since 3×144952638149³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144952638094 and 144952638103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144952638109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6588756269 + ... + 6588756290.

It is an arithmetic number, because the mean of its divisors is an integer number (39532537680).

Almost surely, 2^144952638149 is an apocalyptic number.

It is an amenable number.

144952638149 is a deficient number, since it is larger than the sum of its proper divisors (13177512571).

144952638149 is a wasteful number, since it uses less digits than its factorization.

144952638149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177512570.

The product of its digits is 7464960, while the sum is 56.

The spelling of 144952638149 in words is "one hundred forty-four billion, nine hundred fifty-two million, six hundred thirty-eight thousand, one hundred forty-nine".